DE3608804C2 - - Google Patents

Info

Publication number
DE3608804C2
DE3608804C2 DE19863608804 DE3608804A DE3608804C2 DE 3608804 C2 DE3608804 C2 DE 3608804C2 DE 19863608804 DE19863608804 DE 19863608804 DE 3608804 A DE3608804 A DE 3608804A DE 3608804 C2 DE3608804 C2 DE 3608804C2
Authority
DE
Germany
Prior art keywords
duct
cross
walls
wall parts
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE19863608804
Other languages
German (de)
English (en)
Other versions
DE3608804A1 (de
Inventor
Heinz 5100 Aachen De Carduck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fw Carduck 5100 Aachen De GmbH
Original Assignee
Fw Carduck 5100 Aachen De GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fw Carduck 5100 Aachen De GmbH filed Critical Fw Carduck 5100 Aachen De GmbH
Priority to DE19863608804 priority Critical patent/DE3608804A1/de
Publication of DE3608804A1 publication Critical patent/DE3608804A1/de
Application granted granted Critical
Publication of DE3608804C2 publication Critical patent/DE3608804C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
DE19863608804 1986-03-15 1986-03-15 Kanalschalldaempfer mit beweglichen schallabsorbierenden waenden Granted DE3608804A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863608804 DE3608804A1 (de) 1986-03-15 1986-03-15 Kanalschalldaempfer mit beweglichen schallabsorbierenden waenden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863608804 DE3608804A1 (de) 1986-03-15 1986-03-15 Kanalschalldaempfer mit beweglichen schallabsorbierenden waenden

Publications (2)

Publication Number Publication Date
DE3608804A1 DE3608804A1 (de) 1987-09-17
DE3608804C2 true DE3608804C2 (fr) 1991-11-14

Family

ID=6296521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863608804 Granted DE3608804A1 (de) 1986-03-15 1986-03-15 Kanalschalldaempfer mit beweglichen schallabsorbierenden waenden

Country Status (1)

Country Link
DE (1) DE3608804A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19928354A1 (de) * 1999-06-21 2000-12-28 Mann & Hummel Filter Leitungssystem mit Drosselklappe
DE10337606A1 (de) * 2003-08-16 2005-03-10 Volkswagen Ag Strömungskanal für ein gasförmiges Strömungsmedium mit einer geräuscherzeugenden Drosseleinrichtung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96901C (fi) * 1992-04-16 1996-09-10 Halton Oy Menetelmä ja laite ilmavirtauksen säädössä ja äänenvaimennuksessa
US8066096B1 (en) * 2010-11-04 2011-11-29 Hamilton Sundstrand Corporation Inlet silencer
EP3117156B1 (fr) * 2014-03-11 2022-08-17 Zehnder Group International AG Arrangement d'un amortisseur de son et une gaine de ventilation et procédé de réglage d'un tel arrangement
US9121174B1 (en) * 2014-05-23 2015-09-01 Hwa-Yi Ventilation Co., Ltd. Foldable sound attenuator
WO2020154295A1 (fr) 2019-01-21 2020-07-30 Toledo Molding & Die, Inc. Atténuateur de hautes fréquences à fibres en ligne
CN111649009A (zh) * 2020-06-22 2020-09-11 南京磁谷科技股份有限公司 一种高速离心式风机进气的复合消声装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372464A (fr) * 1963-05-03 1964-09-18 Silencieux Wilman Soc D Expl D Silencieux pour amortir le bruit de décharges espacées de fluides gazeux
DE3545212A1 (de) * 1985-12-20 1987-06-25 Carduck F W Gmbh Bogenfoermiger absorptions-schalldaempfer fuer die anordnung an der saugseite von ventilatoren mit hoher druck- und schalleistung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19928354A1 (de) * 1999-06-21 2000-12-28 Mann & Hummel Filter Leitungssystem mit Drosselklappe
DE10337606A1 (de) * 2003-08-16 2005-03-10 Volkswagen Ag Strömungskanal für ein gasförmiges Strömungsmedium mit einer geräuscherzeugenden Drosseleinrichtung

Also Published As

Publication number Publication date
DE3608804A1 (de) 1987-09-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee